:root {
  --color-text-primary: #333;
  --color-text-tertiary: #777;
  --color-text-link: #4078c0;
  --color-bg-primary: #fff;
  --color-bg-secondary: #fafbfc;
  --color-bg-tertiary: #f8f8f8;
  --color-border-primary: #ddd;
  --color-border-secondary: #eaecef;
  --color-border-tertiary: #d1d5da;
  --color-kbd-foreground: #444d56;
  --color-markdown-blockquote-border: #dfe2e5;
  --color-markdown-table-border: #dfe2e5;
  --color-markdown-table-tr-border: #c6cbd1;
  --color-markdown-code-bg: #1b1f230d;
}
[data-theme='dark'] {
  --color-text-primary: #c9d1d9;
  --color-text-tertiary: #8b949e;
  --color-text-link: #58a6ff;
  --color-bg-primary: #0d1117;
  --color-bg-secondary: #0d1117;
  --color-bg-tertiary: #161b22;
  --color-border-primary: #30363d;
  --color-border-secondary: #21262d;
  --color-border-tertiary: #6e7681;
  --color-kbd-foreground: #b1bac4;
  --color-markdown-blockquote-border: #3b434b;
  --color-markdown-table-border: #3b434b;
  --color-markdown-table-tr-border: #272c32;
  --color-markdown-code-bg: #f0f6fc26;
}

/*#page-header svg {*/
/*display: none;*/
/*}*/

#page-header {
  /*border: none;*/
  border-style: solid;
  border-width: 1px 1px 0;
}

html {
  font-size: 100%;
  overflow-y: scroll;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

.markdown-body h1 .anchor,
.markdown-body h2 .anchor,
.markdown-body h3 .anchor,
.markdown-body h4 .anchor,
.markdown-body h5 .anchor,
.markdown-body h6 .anchor {
  margin-left: -24px;
  visibility: hidden;
}

.markdown-body {
  word-wrap: break-word;
  padding: 2em;
}

.markdown-body pre {
  word-wrap: normal;
  padding: 12px;
  overflow: auto;
  font-size: 85%;
  line-height: 1.45;
  background-color: var(--color-bg-tertiary);
  -webkit-border-radius: 3px;
  border-radius: 3px;
}
.markdown-body pre code {
  display: inline;
  max-width: initial;
  padding: 0;
  margin: 0;
  overflow: initial;
  font-size: 100%;
  line-height: inherit;
  word-wrap: normal;
  white-space: pre;
  border: 0;
  -webkit-border-radius: 3px;
  border-radius: 3px;
  background-color: transparent;
}
.markdown-body pre code:before,
.markdown-body pre code:after {
  content: normal;
}
.markdown-body code {
  font-family: Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  padding: 0;
  padding-top: 0.2em;
  padding-bottom: 0.2em;
  margin: 0;
  font-size: 85%;
  background-color: var(--color-markdown-code-bg);
  -webkit-border-radius: 3px;
  border-radius: 3px;
}
.markdown-body code:before,
.markdown-body code:after {
  letter-spacing: -0.2em;
  content: '\00a0';
}

.markdown-body ol,
.markdown-body ul {
  padding-left: 2em;
}
.markdown-body ol ol,
.markdown-body ul ol {
  list-style-type: lower-roman;
}
.markdown-body ol ul,
.markdown-body ul ul {
  list-style-type: circle;
}
.markdown-body ol ul ul,
.markdown-body ul ul ul {
  list-style-type: square;
}
.markdown-body ol {
  list-style-type: decimal;
}
.markdown-body ul {
  list-style-type: disc;
}
.markdown-body dl {
  margin-bottom: 1.3em;
}
.markdown-body dl dt {
  font-weight: 700;
}
.markdown-body dl dd {
  margin-left: 0;
}
.markdown-body dl dd p {
  margin-bottom: 0.8em;
}
.task-list-item {
  list-style-type: none;
}
.task-list-item input {
  font: 13px/1.4 Helvetica, arial, nimbussansl, liberationsans, freesans, clean,
    sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  margin: 0 0.35em 0.25em -1.6em;
  vertical-align: middle;
}
.task-list-item input[disabled] {
  cursor: default;
}
.task-list-item input[type='checkbox'] {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 0;
}
.task-list-item input[type='radio'] {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 0;
}
.markdown-body table {
  display: block;
  width: 100%;
  overflow: auto;
  word-break: normal;
  word-break: keep-all;
  border-collapse: collapse;
  border-spacing: 0;
}
.markdown-body table tr {
  background-color: var(--color-bg-primary);
  border-top: 1px solid var(--color-markdown-table-tr-border);
}
.markdown-body table tr:nth-child(2n) {
  background-color: var(--color-bg-tertiary);
}
.markdown-body table th,
.markdown-body table td {
  padding: 6px 13px;
  border: 1px solid var(--color-markdown-table-border);
  vertical-align: top;
}
.markdown-body kbd {
  display: inline-block;
  padding: 5px 6px;
  font: 14px SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
  line-height: 10px;
  color: var(--color-kbd-foreground);
  vertical-align: middle;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-tertiary);
  border-radius: 3px;
  box-shadow: inset 0 -1px 0 var(--color-border-tertiary);
}

/*-------------customization---------------*/
body {
  color: #444;
  font-family: Georgia, Palatino, 'Palatino Linotype', Times, 'Times New Roman',
    serif;
  font-size: 12px;
  line-height: 1.5em;
  /*padding: 1em;*/
  padding: 45px;
  margin: auto;
  /*66.167 approximately equal to A4 size in 12px*/
  /*max-width: 66.167em;*/
  max-width: 900px;
  background: #fefefe;
}

text {
  padding: 1em;
}

a {
  color: #0645ad;
  text-decoration: none !important;
  background: transparent;
}

a:visited {
  color: #0b0080;
}

a:hover {
  color: #06e;
}

a:active {
  color: #faa700;
}

a:focus {
  outline: thin dotted;
}

a:hover,
a:active {
  outline: 0;
}

::-moz-selection {
  background: rgba(255, 255, 0, 0.3);
  color: #000;
}

::selection {
  background: rgba(255, 255, 0, 0.3);
  color: #000;
}

a::-moz-selection {
  background: rgba(255, 255, 0, 0.3);
  color: #0645ad;
}

a::selection {
  background: rgba(255, 255, 0, 0.3);
  color: #0645ad;
}

p {
  margin: 1em 0;
}

img {
  max-width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
  color: #111;
  line-height: 1em;
}

h4,
h5,
h6 {
  font-weight: bold;
}

h1 {
  font-size: 2.5em;
}

h2 {
  font-size: 2em;
}

h3 {
  font-size: 1.5em;
}

h4 {
  font-size: 1.2em;
}

h5 {
  font-size: 1em;
}

h6 {
  font-size: 0.9em;
}

blockquote {
  color: #666666;
  margin: 0;
  padding-left: 3em;
  border-left: 0.5em #eee solid;
}

hr {
  display: block;
  border: 0;
  border-top: 1px solid #aaa;
  border-bottom: 1px solid #eee;
  margin: 1em 0;
  padding: 0;
}

pre,
code,
kbd,
samp {
  color: #000;
  font-family: monospace, monospace;
  _font-family: 'courier new', monospace;
  font-size: 0.98em;
}

pre {
  white-space: pre;
  white-space: pre-wrap;
  word-wrap: break-word;
}

b,
strong {
  font-weight: bold;
}

dfn {
  font-style: italic;
}

ins {
  background: #ff9;
  color: #000;
  text-decoration: none;
}

mark {
  background: #ff0;
  color: #000;
  font-style: italic;
  font-weight: bold;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

ul,
ol {
  margin: 1em 0;
  padding: 0 0 0 2em;
}

li p:last-child {
  margin: 0;
}

dd {
  margin: 0 0 0 2em;
}

img {
  border: 0;
  -ms-interpolation-mode: bicubic;
  vertical-align: middle;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

td {
  vertical-align: top;
}

@media only screen and (min-width: 480px) {
  body {
    font-size: 14px;
  }
}

@media only screen and (min-width: 768px) {
  body {
    font-size: 16px;
  }
}

@media print {
  * {
    background: transparent !important;
    color: black !important;
    filter: none !important;
    -ms-filter: none !important;
  }

  body {
    font-size: 12pt;
    max-width: 100%;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  hr {
    height: 1px;
    border: 0;
    border-bottom: 1px solid black;
  }

  a[href]:after {
    content: ' (' attr(href) ')';
  }

  abbr[title]:after {
    content: ' (' attr(title) ')';
  }

  .ir a:after,
  a[href^='javascript:']:after,
  a[href^='#']:after {
    content: '';
  }

  pre,
  blockquote {
    border: 1px solid #999;
    padding-right: 1em;
    page-break-inside: avoid;
  }

  tr,
  img {
    page-break-inside: avoid;
  }

  img {
    max-width: 100% !important;
  }

  @page :left {
    margin: 15mm 20mm 15mm 10mm;
  }

  @page :right {
    margin: 15mm 10mm 15mm 20mm;
  }

  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }

  h2,
  h3 {
    page-break-after: avoid;
  }
}
